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lpt_mainbus.c revision 1.1 
      1 /*	$NetBSD: lpt_mainbus.c,v 1.1 2001/06/01 16:00:04 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     40 
     41 __KERNEL_RCSID(0, "$NetBSD: lpt_mainbus.c,v 1.1 2001/06/01 16:00:04 thorpej Exp $");
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/ioctl.h>
     46 #include <sys/select.h>
     47 #include <sys/tty.h>
     48 #include <sys/proc.h>
     49 #include <sys/user.h>
     50 #include <sys/conf.h>
     51 #include <sys/file.h>
     52 #include <sys/uio.h>
     53 #include <sys/kernel.h>
     54 #include <sys/syslog.h>
     55 #include <sys/types.h>
     56 #include <sys/device.h>
     57 
     58 #include <machine/autoconf.h>
     59 #include <machine/intr.h>
     60 #include <machine/bus.h>
     61 
     62 #include <dev/ic/lptreg.h>
     63 #include <dev/ic/lptvar.h>
     64 
     65 #if defined(ALGOR_P4032)
     66 #include <algor/algor/algor_p4032var.h>
     67 #endif
     68 
     69 struct lpt_mainbus_softc {
     70 	struct lpt_softc sc_lpt;	/* real "lpt" softc */
     71 
     72 	/* mainbus-specific goo. */
     73 	void	*sc_ih;			/* interrupt handler */
     74 };
     75 
     76 int	lpt_mainbus_match(struct device *, struct cfdata *, void *);
     77 void	lpt_mainbus_attach(struct device *, struct device *, void *);
     78 
     79 struct cfattach lpt_mainbus_ca = {
     80 	sizeof(struct lpt_mainbus_softc), lpt_mainbus_match,
     81 	    lpt_mainbus_attach
     82 };
     83 
     84 int
     85 lpt_mainbus_match(struct device *parent, struct cfdata *match, void *aux)
     86 {
     87 	struct mainbus_attach_args *ma = aux;
     88 
     89 	/* Always present. */
     90 	if (strcmp(ma->ma_name, match->cf_driver->cd_name) == 0)
     91 		return (1);
     92 
     93 	return (0);
     94 }
     95 
     96 void
     97 lpt_mainbus_attach(struct device *parent, struct device *self, void *aux)
     98 {
     99 	struct lpt_mainbus_softc *msc = (void *)self;
    100 	struct lpt_softc *sc = &msc->sc_lpt;
    101 	struct mainbus_attach_args *ma = aux;
    102 
    103 	sc->sc_iot = ma->ma_st;
    104 
    105 	if (bus_space_map(sc->sc_iot, ma->ma_addr, LPT_NPORTS, 0,
    106 	    &sc->sc_ioh) != 0) {
    107 		printf(": can't map i/o space\n");
    108 		return;
    109 	}
    110 
    111 	printf("\n");
    112 
    113 	lpt_attach_subr(sc);
    114 
    115 #if defined(ALGOR_P4032)
    116 	sc->sc_ih = algor_p4032_intr_establish(&p4032_8bit_irqmap[ma->ma_irq],
    117 	    IPL_TTY, lptintr, sc);
    118 #endif
    119 
    120 	if (msc->sc_ih == NULL) {
    121 		printf("%s: unable to establish interrupt\n",
    122 		    sc->sc_dev.dv_xname);
    123 		return;
    124 	}
    125 }
    126